100794 2012-10-30 16:13:29 -0700 Enable complex-text measuring optimization for platforms using HarfBuzz 2013-05-21 23:44:47 -0700 1 1 1 Unclassified WebKit Layout and Rendering 528+ (Nightly build) Unspecified Unspecified RESOLVED WONTFIX P2 Normal --- 102603 98317 113243 1 eric webkit-unassigned bashi eae efidler leviw tonyg oldest_to_newest 754762 0 eric 2012-10-30 16:13:29 -0700 Enable complex-text measuring optimization for platforms using HarfBuzz Harfbuzz was explicitly excluded from: http://trac.webkit.org/changeset/130851 Due to a fast/text/shaping/shaping-selection-rect.html regression: https://bugs.webkit.org/show_bug.cgi?id=98317#c29 Enabling this is a 10% win for line layout. Those don't come along very often. :) 884331 1 efidler 2013-05-03 14:18:18 -0700 It seems like this is enabled unconditionally these days. 892143 2 eric 2013-05-21 23:44:47 -0700 I believe HarfBuzz was chromium-only. And I believe this is either already done, or tracked separately in teh chromium issue tracker.